<template>
  <div class="total-header">
    <div class="header">
      <el-container>
        <el-header height="80px" class="header-cont">
          <el-row>
            <el-col class="logo" :span="3">
              <a href="/">
                <img src="@/assets/head-log.svg" alt="">
              </a>
            </el-col>
            <el-col class="nav" :span="10">
              <el-row>
                <el-col :span="3" v-for="(value,index) in dh_list" :key="index">
                  <router-link :to="value.link" v-if="!value.is_site">{{value.title}}</router-link>
                  <a :href="value.link" v-else>{{value.title}}</a>
                </el-col>
              </el-row>

            </el-col>
            <el-col :span="11" class="header-right-box">
              <div class="search">
                <input type="text" id="Input" placeholder="请输入想搜索的
                课程" style="" @blur="inputShowHandler" ref="Input"
                       v-show="!s_status">
                <ul @click="ulShowHandler" v-show="s_status" class="search-ul">
                  <span>Python</span>
                  <span>Linux</span>
                </ul>
                <p>
                  <img class="icon" src="@/assets/sousuo1.png" alt="" v-show="s_status">
                  <img class="icon" src="@/assets/sousuo2.png" alt="" v-show="!s_status">
                  <img class="new" src="@/assets/new.png" alt="">
                </p>
              </div>
              <div class="register" v-show="!token">
                <router-link to="/login">
                  <button class="signin">登录</button>
                </router-link>
                &nbsp;&nbsp;|&nbsp;&nbsp;
                <a target="_blank" href="https://www.luffycity.com/signup">
                  <router-link to="/register">
                    <button class="signup">注册</button>
                  </router-link>
                </a>
              </div>
              <div class="shop-car" v-show="token">
                <router-link to="/cart">
                  <b>6</b>
                  <img src="@/assets/shopcart.png" alt="">
                  <span>购物车 </span>
                </router-link>
              </div>
              <div class="nav-right-box" v-show="token">
                <div class="nav-right">
                  <router-link to="/myclass">
                    <div class="nav-study">我的教室</div>
                  </router-link>
                  <div class="nav-img" @mouseover="personInfoList" @mouseout="personInfoOut" style="color: red">
                    <img src="@/assets/logo.png" alt="" style="border: 1px solid rgb(243, 243, 243);">
                    <ul class="home-my-account" v-show="list_status" @mouseover="personInfoList">
                      <!--                      <li v-for="(value,index) in per_ata_list" :key="index">-->
                      <!--                        {{value.title}}-->
                      <!--                        <img :src="value.img_path" alt="qqqq">-->

                      <!--                      </li>-->
                      <li>
                        我的账户
                        <img src="@/assets/back_158185.svg"
                             alt="">
                      </li>
                      <li>
                        我的订单
                        <img src="@/assets/back_158185.svg"
                             alt="">
                      </li>
                      <li>
                        贝里小卖铺
                        <img src="@/assets/back_158185.svg"
                             alt="">
                      </li>
                      <li>
                        我的优惠券
                        <img src="@/assets/back_158185.svg"
                             alt="">
                      </li>
                      <li>
                    <span>
                      我的消息
                      <b>(26)</b>
                    </span>
                        <img src="@/assets/back_158185.svg"
                             alt="">
                      </li>
                      <li @click="logout">
                        退出
                        <img src="@/assets/back_158185.svg"
                             alt="">
                      </li>

                    </ul>
                  </div>

                </div>

              </div>


            </el-col>
          </el-row>

        </el-header>


      </el-container>

    </div>
  </div>
</template>

<script>
  export default {
    name: "Header",
    data() {
      return {
        // 设置一个登录状态的标记，因为登录注册部分在登录之后会发生变化
        dh_list: [
          // {'title': '免费课', 'path': '/free-course', 'active': true},
          // {'title': '实战课', 'path': '/actual-course', active: false},
          // {'title': '轻课', 'path': '/', active: false},
          // {'title': '就业班', 'path': '/', active: false},
          // {'title': '题库', 'path': '/', active: false},
          // {'title': '学员成果', 'path': '/', active: false},
        ],
        token: true,
        s_status: true,
        list_status: false,
      }
    },
    methods: {
      ulShowHandler() {
        this.s_status = false;
        console.log(this.$refs.Input);

        // this.$refs.Input.focus();
        this.$nextTick(() => {  //延迟回调方法，Vue中DOM更新是异步的,也就是说让Vue去显示我们的input标签的操作是异步的，如果我们直接执行this.$refs.Input.focus();是不行的，因为异步的去显示input标签的操作可能还没有完成，所有我们需要等它完成之后在进行DOM的操作，需要借助延迟回调对DOM进行操作，这是等这次操作对应的所有Vue中DOM的更新完成之后，在进行nextTick的操作。
          this.$refs.Input.focus();
        })

      },
      inputShowHandler() {
        console.log('xxxxx')
        this.s_status = true;
      },
      personInfoList() {
        this.list_status = true;
      },
      personInfoOut() {
        this.list_status = false;
      },
      get_nav_data() {
        this.$axios.get(`${this.$settings.Host}/home/nav/`).then((res) => {
          this.dh_list = res.data
          console.log(res.data)
        }).catch((error) => {
          console.log(error.response)
        })
      },
      check_login_status() {
        this.token = sessionStorage.user_token || localStorage.user_token
      },
      logout() {
        localStorage.removeItem("user_token");
        localStorage.removeItem("id");
        localStorage.removeItem("username");
        sessionStorage.removeItem("user_token");
        sessionStorage.removeItem("id");
        sessionStorage.removeItem("username");
        this.check_login_status();
      }
    },
    created() {
      this.get_nav_data();
      this.check_login_status()
    }
  }


</script>

<style scoped>
  .header-cont .nav .active {
    color: #f5a623;
    font-weight: 500;
    border-bottom: 2px solid #f5a623;
  }

  .total-header {
    min-width: 1200px;
    z-index: 100;
    box-shadow: 0 4px 8px 0 hsla(0, 0%, 59%, .1);
  }

  .header {
    width: 1200px;
    margin: 0 auto;
  }

  .logo {
    height: 80px;
    display: flex; /* css3里面的弹性布局，高度设定好之后，设置这个属性就能让里面的内容居中 */
    align-items: center;
  }

  .nav .el-row .el-col {
    height: 80px;
    line-height: 80px;
    text-align: center;

  }

  .nav a {
    font-size: 15px;
    font-weight: 400;
    cursor: pointer;
    color: #4a4a4a;
    text-decoration: none;
  }

  .nav .el-row .el-col a:hover {
    border-bottom: 2px solid #f5a623
  }

  .header-cont {
    position: relative;
  }

  .search input {
    width: 185px;
    height: 26px;
    font-size: 14px;
    color: #4a4a4a;
    border: none;
    border-bottom: 1px solid #ffc210;

    outline: none;
  }

  .search ul {
    width: 185px;
    height: 26px;
    display: flex;
    align-items: center;
    padding: 0;

    padding-bottom: 3px;
    border-bottom: 1px solid hsla(0, 0%, 59%, .25);
    cursor: text;
    margin: 0;
    font-family: Helvetica Neue, Helvetica, Microsoft YaHei, Arial, sans-serif;
  }

  .search .search-ul, .search #Input {
    padding-top: 10px;
  }

  .search ul span {
    color: #545c63;
    font-size: 12px;
    padding: 3px 12px;
    background: #eeeeef;
    cursor: pointer;
    margin-right: 3px;
    border-radius: 11px;
  }

  .hide {
    display: none;
  }

  .search {
    height: auto;
    display: flex;
  }

  .search p {
    position: relative;
    margin-right: 20px;
    margin-left: 4px;
  }

  .search p .icon {
    width: 16px;
    height: 16px;
    cursor: pointer;
  }

  .search p .new {
    width: 18px;
    height: 10px;
    position: absolute;
    left: 15px;
    top: 0;
  }

  .register {
    height: 36px;
    display: flex;
    align-items: center;
    line-height: 36px;
  }

  .register .signin, .register .signup {
    font-size: 14px;
    color: #5e5e5e;
    white-space: nowrap;
  }

  .register button {
    outline: none;
    cursor: pointer;
    border: none;
    background: transparent;
  }

  .register a {
    color: #000;
    outline: none;
  }

  .header-right-box {
    height: 100%;
    display: flex;
    align-items: center;
    font-size: 15px;
    color: #4a4a4a;
    position: absolute;
    right: 0;
    top: 0;
  }

  .shop-car {
    width: 99px;
    height: 28px;
    border-radius: 15px;
    margin-right: 20px;
    background: #f7f7f7;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
  }

  .shop-car b {
    position: absolute;
    left: 28px;
    top: -1px;
    width: 18px;
    height: 16px;
    color: #fff;
    font-size: 12px;
    font-weight: 350;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background: #ff0826;
    overflow: hidden;
    transform: scale(.8);
  }

  .shop-car img {
    width: 20px;
    height: 20px;
    margin-right: 7px;
  }

  .nav-right-box {
    position: relative;
  }

  .nav-right-box .nav-right {
    float: right;
    display: flex;
    top: 5px;
    height: 100%;
    line-height: 60px;
    position: relative;
  }

  .nav-right .nav-study {
    margin-top: 7px;
    font-size: 15px;
    font-weight: 300;
    color: #5e5e5e;
    margin-right: 20px;
    cursor: pointer;

  }

  .nav-right .nav-study:hover {
    color: #000;
  }

  .nav-img {
    width: 50px;
    height: 80px;
  }

  .nav-img img {
    margin-top: 23px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: inline-block;
    cursor: pointer;
  }

  .home-my-account {
    position: absolute;
    right: -10px;
    top: 60px;
    z-index: 101;
    width: 190px;
    height: auto;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 4px 8px 0 #d0d0d0;
  }

  li {
    list-style: none;
  }

  .home-my-account li {
    height: 40px;
    font-size: 14px;
    font-weight: 300;
    color: #5e5e5e;
    padding-left: 20px;
    padding-right: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
  }

  .home-my-account li img {
    cursor: pointer;
    margin-top: 5px;
    width: 10px;
    height: 15px;
  }

  .home-my-account li span {
    height: 40px;
    display: flex;
    align-items: center;
  }

  .home-my-account li span b {
    font-weight: 300;
    margin-top: -2px;
  }


</style>
